sys/dev/usbmisc/ugensa/ugensa.c

   1 /* $DragonFly: src/sys/dev/usbmisc/ugensa/ugensa.c,v 1.7 2008/08/22 06:57:33 hasso Exp $ */
   2 /* $OpenBSD: umsm.c,v 1.15 2007/06/14 10:11:16 mbalmer Exp $ */
   3
   4 /*
   5  * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /*
  21  * Generic USB serial driver used for devices where hardware specific
  22  * don't apply or doesn't make sense (for example Qualcomm MSM EVDO, UMTS
  23  * and other similar communication devices).
  24  */
  25
  26 #include <sys/param.h>
  27 #include <sys/systm.h>
  28 #include <sys/kernel.h>
  29 #include <sys/device.h>
  30 #include <sys/conf.h>
  31 #include <sys/tty.h>
  32 #include <sys/types.h>
  33 #include <sys/bus.h>
  34 #include <sys/module.h>
  35
  36 #include <bus/usb/usb.h>
  37 #include <bus/usb/usbdi.h>
  38 #include <bus/usb/usbdi_util.h>
  39 #include <bus/usb/usbcdc.h>
  40 #include <dev/usbmisc/ucom/ucomvar.h>
  41
  42 #ifdef UGENSA_DEBUG
  43 static int      ugensadebug = 1;
  44 #define DPRINTFN(n, x)  do { if (ugensadebug > (n)) kprintf x; } while (0)
  45 #else
  46 #define DPRINTFN(n, x)
  47 #endif
  48 #define DPRINTF(x) DPRINTFN(0, x)
  49
  50 #define UGENSABUFSZ             4096
  51 #define UGENSA_INTR_INTERVAL    100     /* ms */
  52
  53 struct ugensa_softc {
  54         struct ucom_softc        sc_ucom;
  55         int                      sc_iface_no;
  56
  57         /* interrupt ep */
  58         int                      sc_intr_number;
  59         usbd_pipe_handle         sc_intr_pipe;
  60         u_char                  *sc_intr_buf;
  61         int                      sc_isize;
  62
  63         u_char                   sc_lsr;        /* Local status register */
  64         u_char                   sc_msr;        /* Status register */
  65         u_char                   sc_dtr;        /* Current DTR state */
  66         u_char                   sc_rts;        /* Current RTS state */
  67 };
  68
  69 static device_probe_t ugensa_match;
  70 static device_attach_t ugensa_attach;
  71 static device_detach_t ugensa_detach;
  72
  73 static int  ugensa_open(void *, int);
  74 static void ugensa_close(void *, int);
  75 static void ugensa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
  76 static void ugensa_get_status(void *, int, u_char *, u_char *);
  77 static void ugensa_set(void *, int, int, int);
  78
  79 static void ugensa_e220_changemode(usbd_device_handle);
  80
  81 static device_method_t ugensa_methods[] = {
  82         /* Device interface */
  83         DEVMETHOD(device_probe, ugensa_match),
  84         DEVMETHOD(device_attach, ugensa_attach),
  85         DEVMETHOD(device_detach, ugensa_detach),
  86         { 0, 0 }
  87 };
  88
  89 static driver_t ugensa_driver = {
  90         "ucom",
  91         ugensa_methods,
  92         sizeof (struct ugensa_softc)
  93 };
  94
  95 struct ucom_callback ugensa_callback = {
  96         ugensa_get_status,
  97         ugensa_set,
  98         NULL,
  99         NULL,
 100         ugensa_open,
 101         ugensa_close,
 102         NULL,
 103         NULL
 104 };
 105
 106 static const struct usb_devno ugensa_devs[] = {
 107         { USB_DEVICE(0x05c6, 0x6000) }, /* Qualcomm HSDPA MSM */
 108         { USB_DEVICE(0x05c6, 0x6613) }, /* Qualcomm HSDPA MSM */
 109         { USB_DEVICE(0x0c88, 0x17da) }, /* Kyocera KPC650 */
 110         { USB_DEVICE(0x0f3d, 0x0112) }, /* AirPrime PC5220 */
 111         { USB_DEVICE(0x1199, 0x0017) }, /* Sierra Wireless EM5625 */
 112         { USB_DEVICE(0x1199, 0x0018) }, /* Sierra Wireless MC5720 */
 113         { USB_DEVICE(0x1199, 0x0019) }, /* Sierra Wireless AirCard 595 */
 114         { USB_DEVICE(0x1199, 0x0020) }, /* Sierra Wireless MC5725 */
 115         { USB_DEVICE(0x1199, 0x0021) }, /* Sierra Wireless AirCard 597E */
 116         { USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless AirCard 580 */
 117         { USB_DEVICE(0x1199, 0x0120) }, /* Sierra Wireless AirCard 595U */
 118         { USB_DEVICE(0x1199, 0x0218) }, /* Sierra Wireless MC5720 */
 119         { USB_DEVICE(0x1199, 0x0220) }, /* Sierra Wireless MC5725 */
 120         { USB_DEVICE(0x1199, 0x6802) }, /* Sierra Wireless MC8755 */
 121         { USB_DEVICE(0x1199, 0x6803) }, /* Sierra Wireless MC8765 */
 122         { USB_DEVICE(0x1199, 0x6804) }, /* Sierra Wireless MC8755 */
 123         { USB_DEVICE(0x1199, 0x6812) }, /* Sierra Wireless MC8775 */
 124         { USB_DEVICE(0x1199, 0x6813) }, /* Sierra Wireless MC8755 */
 125         { USB_DEVICE(0x1199, 0x6820) }, /* Sierra Wireless AirCard 875 */
 126         { USB_DEVICE(0x1199, 0x6832) }, /* Sierra Wireless MC8780 */
 127         { USB_DEVICE(0x1199, 0x6833) }, /* Sierra Wireless MC8781 */
 128         { USB_DEVICE(0x1199, 0x6850) }, /* Sierra Wireless AirCard 880 */
 129         { USB_DEVICE(0x1199, 0x6851) }, /* Sierra Wireless AirCard 881 */
 130         { USB_DEVICE(0x1199, 0x6852) }, /* Sierra Wireless AirCard 880E */
 131         { USB_DEVICE(0x1199, 0x6853) }, /* Sierra Wireless AirCard 881E */
 132         { USB_DEVICE(0x1199, 0x6855) }, /* Sierra Wireless AirCard 880U */
 133         { USB_DEVICE(0x1199, 0x6856) }, /* Sierra Wireless AirCard 881U */
 134         { USB_DEVICE(0x12d1, 0x1001) }, /* Huawei Mobile Connect */
 135         { USB_DEVICE(0x12d1, 0x1003) }, /* Huawei Mobile E220 */
 136         { USB_DEVICE(0x12d1, 0x1004) }, /* Huawei Mobile E220 */
 137         { USB_DEVICE(0x1410, 0x1100) }, /* Novatel Wireless Merlin XS620/S640 */
 138         { USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin S620/V620 */
 139         { USB_DEVICE(0x1410, 0x1120) }, /* Novatel Wireless Merlin EX720 */
 140         { USB_DEVICE(0x1410, 0x1130) }, /* Novatel Wireless Merlin S720 */
 141         { USB_DEVICE(0x1410, 0x1400) }, /* Novatel Wireless Merlin U730 */
 142         { USB_DEVICE(0x1410, 0x1410) }, /* Novatel Wireless Merlin U740 */
 143         { USB_DEVICE(0x1410, 0x1420) }, /* Novatel Wireless Expedite EU870D */
 144         { USB_DEVICE(0x1410, 0x1430) }, /* Novatel Wireless Merlin XU870 */
 145         { USB_DEVICE(0x1410, 0x2100) }, /* Novatel Wireless Expedite EV620 */
 146         { USB_DEVICE(0x1410, 0x2110) }, /* Novatel Wireless Merlin ES620,
 147                                            Merlin ES720, Ovation U720 */
 148         { USB_DEVICE(0x1410, 0x2130) }, /* Novatel Wireless Merlin ES620 */
 149         { USB_DEVICE(0x1410, 0x2410) }, /* Novatel Wireless Expedite EU740 */
 150         { USB_DEVICE(0x1410, 0x4100) }, /* Novatel Wireless Ovation MC727 */
 151         { USB_DEVICE(0x1410, 0x4400) }, /* Novatel Wireless Ovation MC950D */
 152         { USB_DEVICE(0x16d5, 0x6501) }, /* AnyDATA ADU-E100A/D/H */
 153         { USB_DEVICE(0x413c, 0x8114) }, /* Dell Wireless 5700 */
 154         { USB_DEVICE(0x413c, 0x8115) }, /* Dell Wireless 5500 */
 155         { USB_DEVICE(0x413c, 0x8116) }, /* Dell Wireless 5505 */
 156         { USB_DEVICE(0x413c, 0x8117) }, /* Dell Wireless 5700 */
 157         { USB_DEVICE(0x413c, 0x8118) }, /* Dell Wireless 5510 */
 158         { USB_DEVICE(0x413c, 0x8128) }, /* Dell Wireless 5700 */
 159         { USB_DEVICE(0x413c, 0x8136) }, /* Dell Wireless 5520 */
 160         { USB_DEVICE(0x413c, 0x8137) }, /* Dell Wireless 5520 */
 161 };
 162
 163 DRIVER_MODULE(ugensa, uhub, ugensa_driver, ucom_devclass, usbd_driver_load, 0);
 164 MODULE_DEPEND(ugensa, usb, 1, 1, 1);
 165 MODULE_DEPEND(ugensa, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
 166 MODULE_VERSION(ugensa, 1);
 167
 168 static int
 169 ugensa_match(device_t self)
 170 {
 171         struct usb_attach_arg *uaa = device_get_ivars(self);
 172         usb_interface_descriptor_t *id;
 173
 174         if (uaa->iface == NULL)
 175                 return UMATCH_NONE;
 176
 177         /*
 178          * Some devices have massstorage interfaces - don't claim ownership
 179          * of these ... in general.
 180          *
 181          * Some devices (most notably Huawei E220) need special handling
 182          * though. These come up with single umass interface, waiting for
 183          * magic sent to it, detach and attach again with three interfaces.
 184          * We have to claim such mass storage interface to send a magic to
 185          * it.
 186          */
 187         id = usbd_get_interface_descriptor(uaa->iface);
 188         if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
 189                 if ((uaa->vendor == 0x12d1 && uaa->product == 0x1003) ||
 190                     (uaa->vendor == 0x12d1 && uaa->product == 0x1004)) {
 191                         if (uaa->nifaces == 1)
 192                                 return UMATCH_VENDOR_IFACESUBCLASS;
 193                         else
 194                                 return UMATCH_NONE;
 195                 } else
 196                         return UMATCH_NONE;
 197         }
 198
 199         return (usb_lookup(ugensa_devs, uaa->vendor, uaa->product) != NULL) ?
 200             UMATCH_VENDOR_IFACESUBCLASS : UMATCH_NONE;
 201 }
 202
 203 static int
 204 ugensa_attach(device_t self)
 205 {
 206         struct ugensa_softc *sc = device_get_softc(self);
 207         struct usb_attach_arg *uaa = device_get_ivars(self);
 208         struct ucom_softc *ucom;
 209         usb_interface_descriptor_t *id;
 210         usb_endpoint_descriptor_t *ed;
 211         int i;
 212
 213         ucom = &sc->sc_ucom;
 214         bzero(sc, sizeof (struct ugensa_softc));
 215
 216         ucom->sc_dev = self;
 217         ucom->sc_udev = uaa->device;
 218         ucom->sc_iface = uaa->iface;
 219
 220         id = usbd_get_interface_descriptor(ucom->sc_iface);
 221         if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
 222                 if ((uaa->vendor == 0x12d1 && uaa->product == 0x1003) ||
 223                     (uaa->vendor == 0x12d1 && uaa->product == 0x1004)) {
 224                         ugensa_e220_changemode(uaa->device);
 225                 }
 226                 return ENXIO;
 227         }
 228
 229         sc->sc_iface_no = id->bInterfaceNumber;
 230         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 231         for (i = 0; i < id->bNumEndpoints; i++) {
 232                 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
 233                 if (ed == NULL) {
 234                         device_printf(ucom->sc_dev, "no endpoint descriptor "
 235                                       "found for %d\n", i);
 236                         goto error;
 237                 }
 238
 239                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 240                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
 241                         sc->sc_intr_number = ed->bEndpointAddress;
 242                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
 243                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 244                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
 245                         ucom->sc_bulkin_no = ed->bEndpointAddress;
 246                 else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 247                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
 248                         ucom->sc_bulkout_no = ed->bEndpointAddress;
 249         }
 250         if (ucom->sc_bulkin_no == -1 || ucom->sc_bulkout_no == -1) {
 251                 device_printf(ucom->sc_dev, "missing endpoint\n");
 252                 goto error;
 253         }
 254
 255         sc->sc_dtr = sc->sc_rts = -1;
 256
 257         ucom->sc_parent = sc;
 258         ucom->sc_portno = UCOM_UNK_PORTNO;
 259         ucom->sc_ibufsize = UGENSABUFSZ;
 260         ucom->sc_obufsize = UGENSABUFSZ;
 261         ucom->sc_ibufsizepad = UGENSABUFSZ;
 262         ucom->sc_opkthdrlen = 0;
 263         ucom->sc_callback = &ugensa_callback;
 264
 265         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
 266                            ucom->sc_dev);
 267
 268         DPRINTF(("%s: in = 0x%x, out = 0x%x\n",
 269                  device_get_nameunit(ucom->sc_dev), ucom->sc_bulkin_no,
 270                  ucom->sc_bulkout_no));
 271
 272         ucom_attach(&sc->sc_ucom);
 273
 274         return 0;
 275
 276 error:
 277         ucom->sc_dying = 1;
 278         return ENXIO;
 279 }
 280
 281 static int
 282 ugensa_detach(device_t self)
 283 {
 284         struct ugensa_softc *sc = device_get_softc(self);
 285         int rv = 0;
 286
 287         /* close the interrupt endpoint if that is opened */
 288         if (sc->sc_intr_pipe != NULL) {
 289                 usbd_abort_pipe(sc->sc_intr_pipe);
 290                 usbd_close_pipe(sc->sc_intr_pipe);
 291                 kfree(sc->sc_intr_buf, M_USBDEV);
 292                 sc->sc_intr_pipe = NULL;
 293         }
 294
 295         DPRINTF(("ugensa_detach: sc=%p\n", sc));
 296         sc->sc_ucom.sc_dying = 1;
 297         rv = ucom_detach(&sc->sc_ucom);
 298         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_ucom.sc_udev,
 299                            sc->sc_ucom.sc_dev);
 300
 301         return (rv);
 302 }
 303
 304 #if 0 /* not yet */
 305 int
 306 ugensa_activate(struct device *self, enum devact act)
 307 {
 308         struct ugensa_softc *sc = (struct ugensa_softc *)self;
 309         int rv = 0;
 310
 311         switch (act) {
 312         case DVACT_ACTIVATE:
 313                 break;
 314
 315         case DVACT_DEACTIVATE:
 316                 if (sc->sc_subdev != NULL)
 317                         rv = config_deactivate(sc->sc_subdev);
 318                 sc->sc_dying = 1;
 319                 break;
 320         }
 321         return (rv);
 322 }
 323 #endif
 324
 325 static int
 326 ugensa_open(void *addr, int portno)
 327 {
 328         struct ugensa_softc *sc = addr;
 329         int err;
 330
 331         if (sc->sc_ucom.sc_dying)
 332                 return (ENXIO);
 333
 334         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
 335                 sc->sc_intr_buf = kmalloc(sc->sc_isize, M_USBDEV, M_WAITOK);
 336                 err = usbd_open_pipe_intr(sc->sc_ucom.sc_iface,
 337                     sc->sc_intr_number, USBD_SHORT_XFER_OK, &sc->sc_intr_pipe,
 338                     sc, sc->sc_intr_buf, sc->sc_isize, ugensa_intr,
 339                     UGENSA_INTR_INTERVAL);
 340                 if (err) {
 341                         device_printf(sc->sc_ucom.sc_dev,
 342                             "cannot open interrupt pipe (addr %d)\n",
 343                             sc->sc_intr_number);
 344                         return (EIO);
 345                 }
 346         }
 347
 348         return (0);
 349 }
 350
 351 static void
 352 ugensa_close(void *addr, int portno)
 353 {
 354         struct ugensa_softc *sc = addr;
 355         int err;
 356
 357         if (sc->sc_ucom.sc_dying)
 358                 return;
 359
 360         if (sc->sc_intr_pipe != NULL) {
 361                 err = usbd_abort_pipe(sc->sc_intr_pipe);
 362                 if (err)
 363                         device_printf(sc->sc_ucom.sc_dev,
 364                             "abort interrupt pipe failed: %s\n",
 365                             usbd_errstr(err));
 366                 err = usbd_close_pipe(sc->sc_intr_pipe);
 367                 if (err)
 368                         device_printf(sc->sc_ucom.sc_dev,
 369                             "close interrupt pipe failed: %s\n",
 370                             usbd_errstr(err));
 371                 kfree(sc->sc_intr_buf, M_USBDEV);
 372                 sc->sc_intr_pipe = NULL;
 373         }
 374
 375 }
 376
 377 static void
 378 ugensa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 379 {
 380         struct ugensa_softc *sc = priv;
 381         usb_cdc_notification_t *buf;
 382         u_char mstatus;
 383
 384         buf = (usb_cdc_notification_t *)sc->sc_intr_buf;
 385         if (sc->sc_ucom.sc_dying)
 386                 return;
 387
 388         if (status != USBD_NORMAL_COMPLETION) {
 389                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
 390                         return;
 391
 392                 device_printf(sc->sc_ucom.sc_dev,
 393                     "ugensa_intr: abnormal status: %s\n", usbd_errstr(status));
 394                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
 395                 return;
 396         }
 397
 398         if (buf->bmRequestType != UCDC_NOTIFICATION) {
 399                 DPRINTF(("%s: umsm_intr: unknown message type(0x%02x)\n",
 400                     sc->sc_dev.dv_xname, buf->bmRequestType));
 401                 return;
 402         }
 403
 404         if (buf->bNotification == UCDC_N_SERIAL_STATE) {
 405                 /* invalid message length, discard it */
 406                 if (UGETW(buf->wLength) != 2)
 407                         return;
 408                 /* XXX: sc_lsr is always 0 */
 409                 sc->sc_lsr = sc->sc_msr = 0;
 410                 mstatus = buf->data[0];
 411                 if (ISSET(mstatus, UCDC_N_SERIAL_RI))
 412                         sc->sc_msr |= UMSR_RI;
 413                 if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
 414                         sc->sc_msr |= UMSR_DSR;
 415                 if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
 416                         sc->sc_msr |= UMSR_DCD;
 417         } else if (buf->bNotification != UCDC_N_CONNECTION_SPEED_CHANGE) {
 418                 DPRINTF(("%s: umsm_intr: unknown notify message (0x%02x)\n",
 419                     sc->sc_dev.dv_xname, buf->bNotification));
 420                 return;
 421         }
 422
 423         ucom_status_change(&sc->sc_ucom);
 424 }
 425
 426 static void
 427 ugensa_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 428 {
 429         struct ugensa_softc *sc = addr;
 430
 431         if (lsr != NULL)
 432                 *lsr = sc->sc_lsr;
 433         if (msr != NULL)
 434                 *msr = sc->sc_msr;
 435 }
 436
 437 static void
 438 ugensa_set(void *addr, int portno, int reg, int onoff)
 439 {
 440         struct ugensa_softc *sc = addr;
 441         usb_device_request_t req;
 442         int ls;
 443
 444         switch (reg) {
 445         case UCOM_SET_DTR:
 446                 if (sc->sc_dtr == onoff)
 447                         return;
 448                 sc->sc_dtr = onoff;
 449                 break;
 450         case UCOM_SET_RTS:
 451                 if (sc->sc_rts == onoff)
 452                         return;
 453                 sc->sc_rts = onoff;
 454                 break;
 455         default:
 456                 return;
 457         }
 458
 459         /* build an usb request */
 460         ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
 461             (sc->sc_rts ? UCDC_LINE_RTS : 0);
 462         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 463         req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
 464         USETW(req.wValue, ls);
 465         USETW(req.wIndex, sc->sc_iface_no);
 466         USETW(req.wLength, 0);
 467
 468         (void)usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
 469 }
 470
 471 static void
 472 ugensa_e220_changemode(usbd_device_handle dev)
 473 {
 474         usb_device_request_t req;
 475
 476         req.bmRequestType = UT_WRITE_DEVICE;
 477         req.bRequest = UR_SET_FEATURE;
 478         USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
 479         USETW(req.wIndex, 0x2);
 480         USETW(req.wLength, 0);
 481
 482         usbd_do_request(dev, &req, 0);
 483 }
 484